Permatex Battery Protector & Sealer Spray 5oz 80370Keep your battery safe from corrosion and increase its working life with this protector and sealer. Formulated to prevent the formation of acid salt corrosion that is typical found on untreated terminals.Why you should use Battery Protector & Sealer Prevents terminal corrosion; Stops the formation of acid salt corrosion; Improves electrical flow; Increases battery life; Simply spray on your battery, terminals, and cables either in or out of storage. Keep your system running smooth with Permatex!